Update README.md
Signed-off-by: David Rotermund <54365609+davrot@users.noreply.github.com>
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David Rotermund
GitHub
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1 changed files with 100 additions and 35 deletions
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@ -60,6 +60,39 @@ w = ttk.Button(parent, option=value, ...)
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```python
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import tkinter as tk
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from tkinter import ttk
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def changed() -> None:
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print("Changed")
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root = tk.Tk()
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width_element: int = 10
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my_object = ttk.Button(
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root,
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text="Don't press",
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width=width_element,
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command=changed,
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)
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my_object.grid(row=0, column=0, sticky="w")
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root.mainloop()
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del root
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```
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## [ttk.Checkbutton](https://anzeljg.github.io/rin2/book2/2405/docs/tkinter/ttk-Checkbutton.html)
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```python
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w = ttk.Checkbutton(parent, option=value, ...)
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```
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@ -82,39 +115,6 @@ w = ttk.Checkbutton(parent, option=value, ...)
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```python
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import tkinter as tk
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from tkinter import ttk
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def changed() -> None:
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print("Changed")
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root = tk.Tk()
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width_element: int = 10
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a_button = ttk.Button(
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root,
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text="Don't press",
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width=width_element,
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command=changed,
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)
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a_button.grid(row=0, column=0, sticky="w")
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root.mainloop()
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del root
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```
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## [ttk.Checkbutton](https://anzeljg.github.io/rin2/book2/2405/docs/tkinter/ttk-Checkbutton.html)
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```python
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@ -135,10 +135,10 @@ InitialValue: bool = True
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variable = tk.BooleanVar()
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variable.set(InitialValue)
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a_button = ttk.Checkbutton(
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my_object = ttk.Checkbutton(
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root, text="Don't press", width=width_element, command=changed, variable=variable
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)
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a_button.grid(row=0, column=0, sticky="w")
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my_object.grid(row=0, column=0, sticky="w")
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root.mainloop()
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@ -148,6 +148,71 @@ del root
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## [ttk.Combobox](https://anzeljg.github.io/rin2/book2/2405/docs/tkinter/ttk-Combobox.html)
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```python
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w = ttk.Combobox(parent, option=value, ...)
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```
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|Option|Description|
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|cursor| The cursor that will appear when the mouse is over the checkbutton|
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|exportselection| By default, if you select text within an Entry widget, it is automatically exported to the clipboard. To avoid this exportation, use exportselection=0.|
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|height| Use this option to specify a maximum number of rows that will appear in the drop-down menu; the default is 20. If there are more values than this number, the drop-down menu will automatically include a vertical scrollbar.|
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|justify| This option specifies how the text will be positioned within the entry area when it does not completely fill the area. Values may be tk.LEFT to left-justify; tk.CENTER to center; or tk.RIGHT to right-justify.|
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|postcommand| You may use this option to supply a callback function that will be invoked when the user clicks on the down-arrow. This callback may change the values option; if so, the changes will appear in the drop-down menu.|
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|style| The style to be used in rendering this checkbutton|
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|takefocus| By default, a ttk.Checkbutton will be included in focus traversal To remove the widget from focus traversal, use takefocus=False.|
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|textvariable| A variable that controls the text that appears in the entry area|
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|validate| You may use this option to request dynamic validation of the widget's text content. |
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|validatecommand| You may use this option to specify a callback function that dynamically validates the widget's text content. |
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|values| The choices that will appear in the drop-down menu, as a sequence of strings.|
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|width| This option specifies the width of the entry area as a number of characters. The actual width will be this number times the average width of a character in the effective font. The default value is 20.|
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|xscrollcommand| If the widget has an associated horizontal scrollbar, set this option to the .set method of that scrollbar.|
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```python
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import tkinter as tk
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from tkinter import ttk
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def command() -> bool:
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global variable
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print(f"Command {variable.get()}")
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return True
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root = tk.Tk()
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width_element: int = 10
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height_element: int = 100
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values = list(f"{x:d}" for x in range(1, 301))
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InitialValueID: int = 41
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variable = tk.StringVar()
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my_object = ttk.Combobox(
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root,
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width=width_element,
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height=height_element,
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values=values,
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textvariable=variable,
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validate="all",
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validatecommand=command,
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)
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my_object.current(InitialValueID)
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my_object.grid(row=0, column=0, sticky="w")
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root.mainloop()
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print(f"Selection: {variable.get()}")
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del root
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```
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## [ttk.Entry](https://anzeljg.github.io/rin2/book2/2405/docs/tkinter/ttk-Entry.html)
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## [ttk.Frame](https://anzeljg.github.io/rin2/book2/2405/docs/tkinter/ttk-Frame.html)
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